Be advised, though, holiday that the SeatKase weighs 9 pounds when empty. AR For Her ZipStick The ZipStick gives you light and power at your fingertips. This portable battery pack also has a built-in LED flashlight and panic alarm. The ZipStick's lithium-ion battery can quickly charge Apple and Android phones as well as any device that uses a USB charging port. The built-in LED flashlight makes the ZipStick perfect for camping trips, and the panic alarm is always a good thing to have holiday in unfamiliar areas.